A kiss, or an act of kissing (archaic or poetic).
From Late Latin 'bussare' or possibly from Old High German 'bus.' A word for kissing that became old-fashioned by the 20th century but survives in poetry and romantic literature.
The word 'buss' creates an intimate, old-fashioned feeling that modern speakers can't achieve—it evokes Elizabethan romance and Victorian propriety, which is why poets still use it for nostalgia.
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